Importance of Niacin. Niacin is used by your body in a variety of ways. One main area is in the production of energy for your cells. Niacin helps your body convert the foods you eat into energy for your tissues and organs. Niacin is also used in digestion and nervous system function, and it keeps your skin healthy.
Cast. 1  Jeremy Sisto as Aaron Miller. 2  Kate Ashfield as Beth Miller. 3  Ryan Simpkins as Marley Miller. 4  Ty Simpkins as Max Miller. 5  Eric Michael Cole as Hangman. 6  Amy Smart as Melissa. 7  Ross Partridge.
NEGAN HAS BEEN CAST!!! HOLY F**KING F**K: ACTOR JEFFREY DEAN MORGAN HAS OFFICIALLY BEEN CASTED AS WALKING DEAD COMIC VILLAIN NEGAN! Jeffrey Dean Morgan is best known for his roles in The Watchmen, P.S. I Love You, and Greyâs Anatomy. Check out his full IMDB page here. In the comics, Negan is the notorious foul-mouthed leader of a group called the Saviors.